1145420241 has 16 divisors (see below), whose sum is σ = 1774017408. Its totient is φ = 643795200.

The previous prime is 1145420233. The next prime is 1145420249. The reversal of 1145420241 is 1420245411.

It is an interprime number because it is at equal distance from previous prime (1145420233) and next prime (1145420249).

It is not a de Polignac number, because 1145420241 - 2³ = 1145420233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1145420249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 445800 + ... + 448361.

It is an arithmetic number, because the mean of its divisors is an integer number (110876088).

Almost surely, 2^1145420241 is an apocalyptic number.

It is an amenable number.

1145420241 is a deficient number, since it is larger than the sum of its proper divisors (628597167).

1145420241 is an equidigital number, since it uses as much as digits as its factorization.

1145420241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 894232.

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 1145420241 is about 33844.0576911221. The cubic root of 1145420241 is about 1046.2969302170.

Adding to 1145420241 its reverse (1420245411), we get a palindrome (2565665652).

The spelling of 1145420241 in words is "one billion, one hundred forty-five million, four hundred twenty thousand, two hundred forty-one".